Battery & Electrical

BMW battery & electrical systems are crucial for keeping a BMW performing properly, especially after a full track/race build. Whether you're adding a high-performance Optima battery to your BMW, reworking your data or electrical cutoff systems, or if you're in need of our ultimate BMW front windshield defroster kit, we offer the the highest quality battery and electrical parts available.

Need help finding Battery & Electrical for your BMW? Call us at 877.639.9648, email us, or live chat for expert assistance.

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Wiper Relay - Green - 5 prong

Genuine BMW # 61366980177

Price: $20.92

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Relay, Change-Over Contact - Genuine BMW - 61316919113

Original BMW 5-prong multi-purpose relay used on many body electrical applications.

Price: $21.15
23.48

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Relay, White Green - Most BMWs

Genuine BMW # 61368373700

Price: $21.75
23.47

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Relay, Purple/Violet - E21, E30, E36, E28, E34, E39, E23, E32, E38, Z3, Z4, Z8

Original BMW Part # 61361388911

Price: $21.99
23.47

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Genuine BMW Optical Fiber Cable - 7000mm - Repair Part

Genuine BMW Part Number 61120142318 / 61-12-0-142-318

Price: $22.14
23.31

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Genuine BMW Relay - Sky-Blue - 61366915327

Genuine BMW # 61366915327

Price: $22.30
23.47

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SMG Pump Relay, BMW - E46 325i/330i, E60 M5, E63 M6

4-prong relay used for SMG pump, air ride suspension, and electric fan

Price: $22.30
23.47

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Electrical Connector Repair Kit, Genuine BMW - Socket, Housing & Pins

Original BMW 2-pole wiring terminal repair kit.

Price: $22.49
23.67

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OEM Adapter Harness Cable for IBS (Intelligent Battery Sensor)

Hella OEM adapter cable is required for installation of the replacement battery current sensor on many BMW models.

Price: $22.99
65.05

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BMW Adapter Lead for IBS - E60 E61 E63 E64 (2004-2007)

Original BMW adapter lead for use when replacing a failed IBS (intelligent battery sensor).

Price: $24.20
25.47

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Horn, High Pitch 510 Hz - E39 & E39 M5 - 61338362360

High quality aftermarket replacement high pitch horn with a 24 Month Warranty

Price: $27.99
68.18

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ABS Main Relay, Tomatenrot, Red / Grey - E36, Z3

Genuine BMW # 61361393404, replaces the original Tomato Red relay

Price: $28.07
31.95

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IBS Battery Adapter Lead, BMW - E9X 325i/328i/330i/335i/M3

Replacement Adapter cable for battery system. Genuine BMW part #61129123571

Price: $29.51
31.06

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Intermittent Wiper Relay - E30, E28, E23

High quality, 24 Month Warranty

Price: $29.69
118.11

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Base Plate for Positive Battery Terminal - E39 M5/540i, E38 740i/740iL

Genuine BMW # 12521702102

Price: $31.50
33.16

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Rain Light Mode Adapter - "On: Flashing / Brake: Solid" Version

Plug-and-play module controls the rain light to flash when running and illuminate solidly when the brakes are applied.

Price: $32.00

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Ground Strap - E36, E46, E39, E60, X3, X5, Z3, Z4

Original BMW Grounding Cable For Engine Electrical System

Price: $39.56
41.64

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Ground Strap for Tailgate Hinge - F25 X3 28i 28d 35i (2011-2017)

Original BMW earth strap (ground cable) for the trunk lid hinge on all F25 X3 models.

Price: $39.56
41.64

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Auxiliary Switch for Center Console - E36 3-Series (1992-1999)

Custom accessory switch fits the center console in front of the shifter on all E36 3-series coupe, convertible, and sedan models.

Price: $40.00

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Multi-Purpose Mini-Relay, BMW - 2002, E21, E30, E12, E28, E9, E24, Bavaria, E23, E26

Original BMW relay used for various applications in vintage BMW models.

Price: $41.42
43.60

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Moroso Radio & A/C Block-Off Plate - E46

Blank aluminum plate to mount your switch panel, lap timer, fire switch, etc

Price: $42.99
50.58

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Fan Relay, 850W - F87 M2 3/2018+

New relay to ensure proper fan operation. Replaces BMW part #61366836504.

Price: $44.59
46.94

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Fan Relay, 850W - F87 M2 -3/2018

New relay to ensure proper fan operation. Replaces BMW part #61369198302.

Price: $44.59
46.94

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Negative Battery Cable, BMW - E46 323ci/325ci/330ci Convertible

Fresh battery ground cable restores or improves electrical performance!

Price: $48.70
51.26

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Negative Battery Cable, BMW - E46 323i/325i/328i/330i/M3, E85/E86 Z4

Fresh battery ground cable restores or improves electrical performance!

Price: $48.70
51.26

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Voltage Regulator - Hella - 1602 2002 2002tii (1969-1976)

OEM Hella replacement voltage regulator for the alternator on M10 4-cylinder engines.

Price: $49.97
90.02

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Electrical Cutoff Switch

4 pole switch to cut power to alternator and battery on race cars

Price: $49.99

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Firewall Mounting Bracket for Engine C101 Connector - E30 3-Series

Replacement for the discontinued mounting bracket used to mount the engine wiring connector to the firewall on all E30 3-series models.

Price: $50.00

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Single USB-A Charging Port for Center Console - E30 3-Series (1984-1993)

Single USB-A charging port fits the center dash panel above of the stereo on all E30 3-series coupe, convertible, and sedan models.

Price: $50.00

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Ground Cable - E30, E36, E46, E34, E39, E32, E31, Z4, Z4M

Genuine BMW Part Number 12421737755 / 12-42-1-737-755

Price: $52.72
55.49

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Ground Cable (Starter to Chassis) - E82 E90 E91 E92 E93

Genuine BMW # 12427549393 (12-42-7-549-393)

Price: $52.72
55.49

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Ground Strap for Starter Motor, BMW - E90 E92 E93 M3

Ground strap near the transmission and exhaust replaces BMW part #12427840580

Price: $52.96

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Cover For Fuse Box - E21 320i & 323i (1981-1983)

Genuine BMW Part Number 61131369611 / 61-13-1-369-611

Price: $54.19
62.18

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Voltage Regulator 220A / Valeo - 12317603775 - E70 X5 & E71 X6 (2007-2011)

High quality OEM Valeo voltage regulator

Price: $56.37
158.40

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Genuine BMW Diode Relay - 5 Prong / Fuel Injection - 12631708647

Genuine BMW # 12631708647

Price: $58.59
61.67

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Dual USB-A Charging Port for Center Console - E36 3-Series (1992-1999)

Double USB-A charging port fits the center console in front of the shifter on all E36 3-series coupe, convertible, and sedan models.

Price: $60.00

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Dual USB-C Charging Port for Dash Console - E30 3-Series (1984-1993)

Double USB-C charging port fits the center dash panel above of the stereo on all E30 3-series coupe, convertible, and sedan models.

Price: $60.00

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Dual USB-C Charging Port for Center Console - E36 3-Series (1992-1999)

Double USB-C charging port fits the center console in front of the shifter on all E36 3-series coupe, convertible, and sedan models.

Price: $60.00

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Dual USB-A Charging Port for Dash Console - E30 3-Series (1984-1993)

Double USB-A charging port fits the center dash panel above of the stereo on all E30 3-series coupe, convertible, and sedan models.

Price: $60.00

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Battery Connection Block, Positive - E36 3-Series & Z3

Original BMW battery power distribution block for the engine compartment on E36 3-series and Z3 models.

Price: $61.49
65.90

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Battery & Electrical

Wiper Relay - Green - 5 prong

Price: $20.92

Relay, Change-Over Contact - Genuine BMW - 61316919113

Price: $21.15 23.48

Relay, White Green - Most BMWs

Price: $21.75 23.47

Relay, Purple/Violet - E21, E30, E36, E28, E34, E39, E23, E32, E38, Z3, Z4, Z8

Price: $21.99 23.47

Genuine BMW Optical Fiber Cable - 7000mm - Repair Part

Price: $22.14 23.31

Genuine BMW Relay - Sky-Blue - 61366915327

Price: $22.30 23.47

SMG Pump Relay, BMW - E46 325i/330i, E60 M5, E63 M6

Price: $22.30 23.47

Electrical Connector Repair Kit, Genuine BMW - Socket, Housing & Pins

Price: $22.49 23.67

OEM Adapter Harness Cable for IBS (Intelligent Battery Sensor)

Price: $22.99 65.05

BMW Adapter Lead for IBS - E60 E61 E63 E64 (2004-2007)

Price: $24.20 25.47

Horn, High Pitch 510 Hz - E39 & E39 M5 - 61338362360

Price: $27.99 68.18

ABS Main Relay, Tomatenrot, Red / Grey - E36, Z3

Price: $28.07 31.95

IBS Battery Adapter Lead, BMW - E9X 325i/328i/330i/335i/M3

Price: $29.51 31.06

Intermittent Wiper Relay - E30, E28, E23

Price: $29.69 118.11

Base Plate for Positive Battery Terminal - E39 M5/540i, E38 740i/740iL

Price: $31.50 33.16

Rain Light Mode Adapter - "On: Flashing / Brake: Solid" Version

Price: $32.00

Ground Strap - E36, E46, E39, E60, X3, X5, Z3, Z4

Price: $39.56 41.64

Ground Strap for Tailgate Hinge - F25 X3 28i 28d 35i (2011-2017)

Price: $39.56 41.64

Auxiliary Switch for Center Console - E36 3-Series (1992-1999)

Price: $40.00

Multi-Purpose Mini-Relay, BMW - 2002, E21, E30, E12, E28, E9, E24, Bavaria, E23, E26

Price: $41.42 43.60

Moroso Radio & A/C Block-Off Plate - E46

Price: $42.99 50.58

Fan Relay, 850W - F87 M2 3/2018+

Price: $44.59 46.94

Fan Relay, 850W - F87 M2 -3/2018

Price: $44.59 46.94

Negative Battery Cable, BMW - E46 323ci/325ci/330ci Convertible

Price: $48.70 51.26

Negative Battery Cable, BMW - E46 323i/325i/328i/330i/M3, E85/E86 Z4

Price: $48.70 51.26

Voltage Regulator - Hella - 1602 2002 2002tii (1969-1976)

Price: $49.97 90.02

Electrical Cutoff Switch

Price: $49.99

Firewall Mounting Bracket for Engine C101 Connector - E30 3-Series

Price: $50.00

Single USB-A Charging Port for Center Console - E30 3-Series (1984-1993)

Price: $50.00

Ground Cable - E30, E36, E46, E34, E39, E32, E31, Z4, Z4M

Price: $52.72 55.49

Ground Cable (Starter to Chassis) - E82 E90 E91 E92 E93

Price: $52.72 55.49

Ground Strap for Starter Motor, BMW - E90 E92 E93 M3

Price: $52.96

Cover For Fuse Box - E21 320i & 323i (1981-1983)

Price: $54.19 62.18

Voltage Regulator 220A / Valeo - 12317603775 - E70 X5 & E71 X6 (2007-2011)

Price: $56.37 158.40

Genuine BMW Diode Relay - 5 Prong / Fuel Injection - 12631708647

Price: $58.59 61.67

Dual USB-A Charging Port for Center Console - E36 3-Series (1992-1999)

Price: $60.00

Dual USB-C Charging Port for Dash Console - E30 3-Series (1984-1993)

Price: $60.00

Dual USB-C Charging Port for Center Console - E36 3-Series (1992-1999)

Price: $60.00

Dual USB-A Charging Port for Dash Console - E30 3-Series (1984-1993)

Price: $60.00

Battery Connection Block, Positive - E36 3-Series & Z3

Price: $21.15
23.48

Price: $21.75
23.47

Price: $21.99
23.47

Price: $22.14
23.31

Price: $22.30
23.47

Price: $22.30
23.47

Price: $22.49
23.67

Price: $22.99
65.05

Price: $24.20
25.47

Price: $27.99
68.18

Price: $28.07
31.95

Price: $29.51
31.06

Price: $29.69
118.11

Price: $31.50
33.16

Price: $39.56
41.64

Price: $39.56
41.64

Price: $41.42
43.60

Price: $42.99
50.58

Price: $44.59
46.94

Price: $44.59
46.94

Price: $48.70
51.26

Price: $48.70
51.26

Price: $49.97
90.02

Price: $52.72
55.49

Price: $52.72
55.49

Price: $54.19
62.18

Price: $56.37
158.40

Price: $58.59
61.67

Price: $61.49
65.90